By Josh Stillman
Updated September 19, 2012 at 05:36 PM EDT

In part 2 of their Mr. Wizard videos, YouTubers Mike Schuster and Diane Bullock cut together some of the the host’smost canotakourous moments, all of which feature him saying mean things to children. He’s like a nasty Mr. Rogers, or your favorite ornery grandfather who makes fun of you at Christmas. Watch below!

Here are my three favorite bits:

1. He tricks a girl into spraying herself in the face with water.

2. He snaps at a robot when it accidentally interrupts him.

3. “You know you can do this at home yourself, you don’t need to come over to my house to do it.”

Sound off on all your favorite Mr. Wizard memories in the comments!

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